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SubjectRe: [patch] Regression in 2.6.19-rc microcode driver
Andrew Morton wrote:
>> --- linux-2.6.18/arch/i386/kernel/microcode.c.org 2006-11-06 14:50:37.000000000 +0100
>> +++ linux-2.6.18/arch/i386/kernel/microcode.c 2006-11-06 14:52:30.000000000 +0100
>> @@ -577,7 +577,7 @@ static void microcode_init_cpu(int cpu)
>> set_cpus_allowed(current, cpumask_of_cpu(cpu));
>> mutex_lock(&microcode_mutex);
>> collect_cpu_info(cpu);
>> - if (uci->valid)
>> + if (uci->valid && system_state==SYSTEM_RUNNING)
>> cpu_request_microcode(cpu);
>> mutex_unlock(&microcode_mutex);
>> set_cpus_allowed(current, old);
>
> Can we fix this by switching to late_initcall() or something like that?

I will try but it then still runs before userspace (esp "init") is
alive so I'm not convinced it'll do the right thing
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